?url_ver=Z39.88-2004&rft_id=doi%3A10.1029%2F2005JB004077&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Helmstetter%2C+Agnes&rft.aulast=Helmstetter&rft.aufirst=Agnes&rft.issue=B7&rft.volume=111&rft.date=21+July+2006&rft.issn=0148-0227&rft.atitle=Relation+between+stress+heterogeneity+and+aftershock+rate+in+the+rate-and-state+model&rft.title=Journal+of+Geophysical+Research&rft.pages=1-12&rft.genre=article